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Generator Control Unit
in NASA
General Control Unit
in NASA
Gyro Coupling Unit
in NASA
Ground Cooling Unit
in NASA
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Similar to GCU
AC - Assembly Complete
ACBM - Active Common Berthing Mechanism
ACC - Aft Cargo Carrier
ACCA - Automatic Cloud Cover Assessment
ACCMS - Advanced Checkout, Control, and Maintenance System
ACCS - Advanced Checkout and Control System
ACE - Advanced Composition Explorer
View all in NASA